CIVIL ENGINEERING 11 3 rd International Scientific Conference PROCEEDINGS

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ISSN 2255-7776 LATVIA UNIVERSITY OF AGRICULTURE FACULTY OF RURAL ENGINEERING Department of Architecture and Building

1 ISSN LATVIA UNIVERSITY OF AGRICULTURE FACULTY OF RURAL ENGINEERING Department of Architecture and Building Departments of Structural Engineering CIVIL ENGINEERING 11 3 rd International Scientific Conference PROCEEDINGS Volume 3 Jelgava 2011

2 Civil Engineering` 11 3 rd International Scientific Conference Proceedings, Vol. 3 Jelgava, Latvia University of Agriculture, 2011, 271 pages ISSN SCIENTIFIC COMMITTEE Chairman Anris Šteinerts, Professor, Dr.sc.ing. Members Juris Skujāns, Dr.sc.ing., Latvia University of Agriculture, Latvia Arturs Lešinskis, Dr.sc.ing., Latvia University of Agriculture, Latvia Ēriks Tilgalis, Dr.sc.ing., Latvia University of Agriculture, Latvia Feliksas Mikuckis, Dr.sc.ing., Lithuania University of Agriculture, Lithuania Gintaras Stauskis, Dr., Vilnius Gediminas Technical University, Lithuania Jaan Miljan, Dr.sc.ing., Estonian Agricultural University, Estonia Jānis Brauns, Dr.habil.sc.ing., Latvia University of Agriculture, Latvia Jānis Kreilis, Dr.sc.ing., Latvia University of Agriculture, Latvia Jaroslav Zapomel, Dr.sc.ing., Academy of Sciences of the Czech Republic, Czech Republic Lilita Ozola, Dr.sc.ing., Latvia University of Agriculture, Latvia Pentti Mäkeläinen, Dr.sc.ing., Helsinki University of Technology, Finland Simon Bell, Dr., Estonian University of Life Science, Estonia Daiga Zigmunde, Dr.arch., Latvia University of Agriculture, Latvia Ralejs Tepfers, Dr.sc.ing., Chalmers University of Technology, Sweden Uģis Bratuškins, Dr.arch., Riga Technical University, Latvia Uldis Iljins, Dr.habil.sc.ing., Latvia University of Agriculture, Latvia REVIEWERS J.Skujāns, A. Lešinskis, Ē. Tilgalis, F. Mikuckis, G. Stauskis, J. Miljan, J. Brauns, J. Kreilis, J. Zapomel, L. Ozola, M. Urtāne, P. Mäkeläinen, S. Bell, D. Zigmunde, R. Tepfers, U. Bratuškins, U. Iljins, S. Štrausa, G. Andersons, S.Gusta Every scientific paper was reviewed by two independent reviewers. Published scientific papers will be submitted in Agris, CAB Abstracts and EBSCO Academic Search Complete databases. The data bases select the articles from the proceedings for including them in their data bases after individual qualitative and thematic examination. Every author is responsible for the quality and the information of his article. EDITORS Editor of language Larisa Malinovska, Asoc.prof. Technical editor Daiga Zigmunde, Dr.arch. Latvia University of Agriculture Printed in SIA Drukātava THE CONFERENCE PROCEEDINGS IS SUPPORTED BY

3 I Building Materials...7 Olga Finoženok, Ramunė Žurauskienė, Rimvydas Žurauskas. THE INFLUENCE OF VARIOUS SIZE CRUSHED CONCRETE WASTE...7 Viktors Mironovs, Jānis Broņka, Aleksandrs Korjakins, Jānis Kazjanovs. IRON CONTAINING WASTE MATERIALS AND POSSIBILITIES OF THEIR APPLICATION IN MANUFACTURING THE HEAVY CONCRETE...14 Andina Sprince, Leonīds Pakrastiņš, Aleksandrs Korjakins. EXPERIMENTAL STUDY CREEP OF NEW CONCRETE MIXTURES...20 Diāna Bajāre, Aleksandrs Korjakins, Jānis Kazjonovs. APPLICATION OF ALUMINIUM DROSS AND GLASS WASTE FOR THE PRODUCTION OF EXPANDED CLAY AGGREGATE...27 Raitis Brencis, Juris Skujāns, Uldis Iljins, Ilmārs Preikšs. RESEARCH OF HEMP S FIBROUS REINFORCEMENT EFFECT TO BENDING STRENGHT AND SOUND ABSORPTION OF FOAM GYPSUM...32 Jānis Justs, Diāna Bajāre, Genādijs Šahmenko, Aleksandrs Korjakins. ULTRA HIGH PERFOMANCE CONCRETE HARDENING UNDER PRESSURE...38 Raimondas Sadzevicius, Feliksas Mikuckis, Dainius Ramukevicius. DEFECTS ANALYSIS OF REINFORCED CONCRETE SLABS FOR EARTH DAM SLOPE PROTECTION...44 Diāna Bajāre, Jānis Justs, Ģirts Baumanis. OBTAINING COMPOSITION OF GEOPOLYMERS FROM LOCAL INDUSTRIAL WASTES...50 Mārtiņš Zaumanis, Juris Smirnovs. ANALYSIS OF THE POSSIBILITIES FOR THE USE OF WARM MIX ASPHALT IN LATVIA...57 Vincas Gurskis, Karolis Bunevicius, Rytis Skominas. RESEARCH OF THE TRADITIONAL AND NONTRADITIONAL ADMIXTURES ON MORTAR AND CONCRETE...65 Pēteris Šķēls, Edmunds Šķēle, Kaspars Bondars, Thomas Ingeman-Nielsen, Anders Stuhr Jørgensen. QUICKLIME (CaO) STABILIZATION OF FINE-GRAINED MARINE SEDIMENTS IN LOW TEMPERATURE AREAS...71 Ilmārs Preikšs, Juris Skujāns, Uldis Iljins. POSSIBILITIES OF SILICA AEROGEL USEFULNESS FOR FOAM GYPSUM COMPOSITIONS

4 Māris Strozs, Genādijs Šahmenko. THE USE OF STRAW-CLAY MATERIAL IN WALLS...84 Regino Kask, Harri Lille, Kristjan Siim, Peeter Paabo, Kuldar Sillaste. STUDY OF PHYSICAL AND MECHANICAL PROPERTIES OF ORIENTED STRAND BOARD DEPENDING ON MOISTURE...91 Viktors Mironovs, Mihails Lisicins, Genādijs Šahmenko, Lāsma Kaļva. ANALYSIS OF APPLICATION OF PERFORATED STEEL BAND IN BUILDING CONSTRUCTION...95 II Materials and Structures Jānis Brauns, Kārlis Rocens. TOPOLOGY OPTIMIZATION OF MULTI-LAYERED COMPOSITE STRUCTURES Ulvis Skadiņš, Jānis Brauns. MODELING OF FIBRE BRIDGING BEHAVIOUR IN SFRC Kauni Kiviste, Alexander Ryabchikov, Harri Lille. DETERMINATION OF SHRINKAGE OF FIBRE REINFORCED CONCRETE R. Tepfers, G.O. Sjöström, J. I. Svensson. DEVELOPMENT OF METHOD FOR MEASURING DESTRUCTION ENERGY AND GENERATED HEAT AT FATIGUE OF CONCRETE Sanita Ziķe, Kaspars Kalniņš. ENHANCED IMPACT PROPERTIES OF PLYWOOD LAMINATES Jānis Šliseris, Kārlis Rocens. INFLUANCE OF TECHNOLOGICAL AND STRUCTURE PROPETIES ON SHAPE OF ASYMMETRIC PLYWOOD SHEET Marko Teder, Kalle Pilt, Matis Miljan, Martti Lainurm, Ragnar Kruuda. OVERVIEW OF SOME NON-DESTRUCTIVE METHODS FOR IN SITU ASSESSMENT OF STRUCTURAL TIMBER Līga Gaile, Ivars Radiņš. TIME DEPENDING SERVICE LOAD INFLUENCE ON STEEL TOWER VIBRATIONS Andris Šteinerts, Leonīds Pakrastiņš, Līga Gaile. IMPLEMENTATION OF EUROCODE STANDARDS IN LATVIA Wei Lu, Pentti Mäkeläinen, Jyri Outinen. BEHAVIOUR OF COLD-FORMED Z-SHAPED STEEL PURLIN AT ELEVATED TEMPERATURES

5 Edgars Labans, Kaspars Kalniņš. NUMERICAL VERSUS EXPERIMENTAL INVESTIGATION OF PLYWOOD SANDWICH PANELS WITH CORRUGATED CORE Artis Dandens, Jānis Kreilis, Guntis Andersons. PROPERTIES OF COLD-FORMED STEEL SECTIONS III Landscape and Environment Peter Kurz. CLIMATE-ENERGY-AND CULTURAL LANDSCAPE MODEL SAUWALD DONAUTAL INTRODUCING A PILOT PROJECT ON INTEGRATED REGIONAL RESOURCE MANAGEMENT BASED ON A NEW BIOGAS TECHNOLOGY Aija Ziemeļniece. INTEGRATION OF RURAL POPULATED AREAS WITHIN ARCHITECTURAL SPATIAL SYSTEM OF THE REGION Natālija Ņitavska, Daiga Zigmunde, Raimonda Lineja. THE FORMING ELEMENTS OF THE BALTIC SEA COASTAL LANDSCAPE IDENTITY FROM THE TOWN OF AINAŽI TO THE ESTUARY OF THE RIVER SALACA Una Īle. DEVELOPMENT TENDENCIES OF LANDSCAPE COMPOSITION IN THE URBAN RESIDENTIAL AREAS OF LATVIA Maija Jankevica. THE POSSIBILITIES OF UNIFIED LANDSCAPE DEVELOPMENT IN TRANSNATIONAL BORDERLAND. VALKA-VALGA EXAMPLE IV Engineering of Environmental Energy Leonīds Ribickis, Ansis Avotiņš. ANALYSIS OF GHG REDUCTION POSSIBILITIES IN LATVIA BY IMPLEMENTING LED STREET LIGHTING TECHNOLOGIES Uldis Iljins, Uldis Gross, Juris Skujāns. PECULIARITIES OF HEAT FLOWS OF INSULATION CONSTRUCTIONS IN BUILDINGS WITH COLD UNDERGROUND Sandris Liepiņš, Silvija Štrausa, Uldis Iljins, Uldis Gross. THERMAL ANALYSIS OF OVERGROUND BOUND CONSTRUCTIONS Ēriks Krūmiņš, Arturs Lešinskis, Ilze Dimdiņa. HEAT ENERGY CONSUMPTION IN NOT RENOVATED BUILDINGS AND IN BUILDINGS AFTER A PARTIAL RENOVATION

6 Ilze Dimdiņa, Arturs Lešinskis, Ēriks Krūmiņš, Vilis Krūmiņš, Laimdota Šnīdere. INDOOR AIR QUALITY AND ENERGY EFFICIENCY IN MULTI-APARTMENT BUILDINGS BEFOR AND AFTER RENOVATION: A CASE STUDY OF TWO BUILDINGS IN RIGA Gaļina Stankeviča. INDOOR AIR QUALITY AND THERMAL COMFORT EVALUATION IN LATVIAN DAYCARE CENTERS WITH CARBON DIOXIDE, TEMPERATURE AND HUMIDITY AS INDICATORS V Environmental Engineering Zydrunas Vycius, Tatjana Sankauskiene, Petras Milius. ANTI-SEEPAGE MEANS FOR THE PROTECTIVE EMBANKMENT OF THE KARIOTIŠKĖS SEWAGE SLUDGE DUMP Meeli Kams. THE THERMAL CONDUCTIVITY OF THATCHED (REED) ROOF INSULATED WITH SAW DUST IN DWELLING HOUSE Sandra Gusta. BUILDING AS A LONG-TERM ENVIRONMENTAL DEVELOPMENT AND PRESERVATION CONDITION Ēriks Tilgalis, Linda Grīnberga. THE ENERGY EFFICIENT WASTEWATER TREATMENT TECHNOLOGIES IN CONSTRUCTED WETLANDS Reinis Ziemeļnieks, Ēriks Tilgalis. CALCULATION METHOD OF RAINWATER DISCHARGE

CIVIL ENGINEERING 13

Latvia University of Agriculture Faculty of Rural Engineering CIVIL ENGINEERING 13 4 th International Scientific Conference Part I PROCEEDINGS Volume 4 Jelgava 2013 International Scientific Conference